import React, { Component } from 'react';
import {
StyleSheet,
View,
ScrollView,
RefreshControl
} from 'react-native';
var dataSource = require("./data.json");
// 创建组件
var ScrollTest = React.createClass({
// 下面的几种函数可以根据自己的需求添加
_onScrollBeginDrag () {
// 这里是开始拖拽的函数
},
_onScrollEndDrag () {
// 这里是拖拽结束的函数
},
_onMomentumScrollBegin () {
// 这里是开始滚动的函数
},
_onMomentumScrollEnd () {
// 这里是滚动结束的函数
},
_refresh () {
// 这里是请求数据的函数
alert("正在请求数据");
},
render () {
return (
<ScrollView style={styles.container}
onScrollBeginDrag={this._onScrollBeginDrag}
onScrollEndDrag={this._onScrollEndDrag}
onMomentumScrollBegin={this._onMomentumScrollBegin}
onMomentumScrollEnd={this._onMomentumScrollEnd}
refreshControl={
<RefreshControl refreshing={false}
titleColor={"red"}
title={"正在刷新......."}
tintColor={"cyan"}
onRefresh={this._refresh} />
}>
<View style={[styles.item, styles.item1]}></View>
<View style={[styles.item, styles.item2]}></View>
<View style={[styles.item, styles.item3]}></View>
</ScrollView>
)
}
});
// 实例化样式
var styles = StyleSheet.create({
container: {
marginTop: 25,
height: 300,
borderWidth: 1,
borderColor: "#ccc"
},
item: {
width: 280,
height: 150,
margin: 20
},
item1: {
backgroundColor: "red"
},
item2: {
backgroundColor: "green"
},
item3: {
backgroundColor: "yellow"
}
});
module.exports = ScrollTest;
import React, { Component } from 'react';
import {
AppRegistry,
View,
} from 'react-native';
var Scroll = require("./scroll");
var ScrollTest = React.createClass({
render () {
return (
<View>
<Scroll></Scroll>
</View>
)
}
});
AppRegistry.registerComponent('useComponent', () => ScrollTest);
getInitialState:function () {
// 实例化DataSource对象
var ds = new ListView.DataSource({
rowHasChanged:(oldData,newData) => oldData !== newData
});
return {
data:ds.cloneWithRows(news)
}
}
import React, { Component } from 'react';
import {
StyleSheet,
Text,
View,
Image,
ListView
} from 'react-native';
// 通过ListView实现电影列表
var movies = require("./data.json").data.movies;
// 创建组件
var ListMovie = React.createClass({
getInitialState () {
var ds = new ListView.DataSource({
rowHasChanged: (oldData, newData) => oldData !== newData
});
return {dataSource: ds.cloneWithRows(movies)}
},
_renderRow (movie) {
return (
<View style={styles.row}>
<Image style={styles.img} source={{uri: movie.img}}/>
<View style={styles.right}>
<Text style={styles.name}>{movie.nm}</Text>
<Text style={styles.dir}>导演:{movie.dir}</Text>
<Text style={styles.dir}>上映时间:{movie.rt}</Text>
</View>
</View>
)
},
_renderHeader () {
return (
<View style={styles.header}>
<Text style={styles.title}>猫眼热门电影</Text>
<View style={[styles.separator, {width: "100%"}]}></View>
</View>
)
},
_renderSeparator () {
return <View style={styles.separator}></View>
},
render () {
return <ListView style={styles.container}
dataSource={this.state.dataSource}
renderRow={this._renderRow}
renderHeader={this._renderHeader}
renderSeparator={this._renderSeparator}
/>
}
});
// 实例化样式
var styles = StyleSheet.create({
container: {
marginTop: 25
},
row: {
flexDirection: "row",
alignItems: "center",
padding: 10
},
img: {
width: 78,
height: 128
},
right: {
marginLeft: 15,
flex: 1
},
name: {
fontSize: 20,
fontWeight: "bold",
marginTop: 3,
marginBottom: 10
},
dir: {
fontSize: 15,
marginBottom: 3,
color: "#686868"
},
header: {
height: 44,
alignItems: "center"
},
title: {
fontSize: 25,
fontWeight: "bold",
lineHeight: 44
},
separator: {
height: 1,
backgroundColor: "#ccc"
}
});
module.exports = ListMovie;
import React, { Component } from 'react';
import {
AppRegistry,
View,
} from 'react-native';
var ListMovie = require("./listMovie");
var Movie = React.createClass({
render () {
return (
<View>
<ListMovie></ListMovie>
</View>
)
}
});
AppRegistry.registerComponent('useComponent', () => Movie);
<Navigator
initialRoute={rootRoute}
configureScene={(route)=>Navigator.SceneConfigs.PushFromRight}
renderScene={
(route,navigator)=>{
var MySceneComponent = route.component;
console.log(MySceneComponent);
console.log(“aaaa”);
return (
<MySceneComponent route={route} navigator={navigator}/>
)
}
}
/>
/**
* Created by lanou on 17/4/13.
*/
import React, { Component } from 'react';
import {
StyleSheet,
Text,
View,
Navigator,
TouchableOpacity,
TextInput
} from 'react-native';
// 在进行导航时,需要先构成一些页面,使用Navigator
// 创建组件
var FirstPage = React.createClass({
getInitialState () {
return {text: ""}
},
saveText (text) {
this.setState({text: text})
},
changePage () {
// 把需要传递的值,都放在路由的nextPass属性里
var nextRoute = {
component: SecondPage,
nextPass: {text: this.state.text}
};
this.props.navigator.push(nextRoute);
},
render () {
return (
<View style={[styles.container, {backgroundColor: "cyan"}]}>
<TextInput style={styles.input} placeholder={"请输入"} onChangeText={this.saveText}/>
<TouchableOpacity onPress={this.changePage} style={styles.btn}>
<Text style={styles.btnText}>跳转到下一页</Text>
</TouchableOpacity>
</View>
)
}
});
var SecondPage = React.createClass({
changePage () {
this.props.navigator.pop();
},
render () {
return (
<View style={[styles.container, {backgroundColor: "yellowgreen"}]}>
<Text>接收到的数据是{this.props.text}</Text>
<TouchableOpacity onPress={this.changePage} style={styles.btn}>
<Text style={styles.btnText}>返回上一页</Text>
</TouchableOpacity>
</View>
)
}
});
var Nav = React.createClass({
render () {
// 初始路由,首页
var rootRoute = {
component: FirstPage,
nextPass: {}
};
return (
<Navigator
// 第一步需要进行初始路由的设置
initialRoute={rootRoute}
// 第二步设置页面的切换方式
configureScene={(route) => Navigator.SceneConfigs.FloatFromBottom}
// 第三部确定要渲染的场景(页面)
renderScene={(route, navigator) => {
// 找到要渲染的页面
var Component = route.component;
// 渲染时,需要把route和Navigator作为属性传递下去,传递的值也作为属性传递
// ...route.nextPass把route中的nextPass里的数据都传递下去
return <Component {...route.nextPass} text={route.nextPass.text} route={route} navigator={navigator} />
}}
/>
)
}
});
// 实例化样式
var styles = StyleSheet.create({
container: {
flex: 1,
justifyContent: "center",
alignItems: "center",
},
btn: {
backgroundColor: "#25f30d",
width: 115,
height: 30,
borderRadius: 5,
justifyContent: "center",
alignItems: "center"
},
btnText: {
fontSize: 14,
fontWeight: "bold"
},
input: {
margin: 30,
borderWidth: 1,
borderColor: "#ccc",
height: 30,
backgroundColor: "#77ccb1"
}
});
module.exports = Nav;
import React, { Component } from 'react';
import {
AppRegistry,
View,
} from 'react-native';
var Nav = require("./nav");
var NavTest = React.createClass({
render () {
return (
<View style={{flex: 1}}>
<Nav></Nav>
</View>
)
}
});
AppRegistry.registerComponent('useComponent', () => NavTest);
<TabBarIOS.Item
title=“movieTest”
icon={require(“./passport.png”)}
onPress={this.changeTab.bind(this, ”movieTest”)}
selected={this.state.selectTab == “movieTest”}
>
<MovieList></MovieList>
</TabBarIOS.Item>
import React, { Component } from 'react';
import {
TabBarIOS
} from 'react-native';
//引入三个选项页面(这里引入的是之前做好的几个组件)
var Nav = require("./nav");
var MovieList = require("./movieList");
var ImageTest = require("./image");
var TabBarTest = React.createClass({
getInitialState:function () {
//显示当前显示的标签
return {
selectTab: "首页"
}
},
changeTab:function (name) {
this.setState({
selectTab:name
})
},
render:function () {
return (
<TabBarIOS barTintColor="#ccc"
tintColor={"red"}
unselectedItemTintColor={"cyan"}
>
{/*下部的标签栏*/}
<TabBarIOS.Item
title="首页"
icon={require("./images/index.png")}
onPress={this.changeTab.bind(this,"首页")}
selected={this.state.selectTab == "首页"}
>
{/*每一个选项*/}
<Input/>
</TabBarIOS.Item>
<TabBarIOS.Item
title="图片"
icon={require("./images/picture.png")}
onPress={this.changeTab.bind(this,"图片")}
selected={this.state.selectTab == "图片"}
>
{/*每一个选项*/}
<ImageTest/>
</TabBarIOS.Item>
<TabBarIOS.Item
title="电影"
icon={require("./images/movie.png")}
onPress={this.changeTab.bind(this,"电影")}
selected={this.state.selectTab == "电影"}
>
{/*每一个选项*/}
<MovieList/>
</TabBarIOS.Item>
</TabBarIOS>
)
}
});
module.exports = TabBarTest;
import React, { Component } from 'react';
import {
AppRegistry,
View,
} from 'react-native';
var TabBarTest = require("./tabBar");
var TabTest = React.createClass({
render () {
return (
<View style={{flex: 1}}>
<TabBarTest></TabBarTest>
</View>
)
}
});
AppRegistry.registerComponent('useComponent', () => TabTest);
fetch(‘https://mywebsite.com/endpoint/‘, {
method: ‘POST',
headers: {
‘Accept': ‘application/json',
‘Content-Type': ‘application/json',
},
body: JSON.stringify({
firstParam: ‘yourValue',
secondParam: ‘yourOtherValue',
})
})
getDate:function () {
fetch(url)
.then((res)=>{
return res.json();
})
.then((resData)=>{
this.setState({
loaded:true,
dataSource:this.state.dataSource.cloneWithRows(resData.data.movies)
})
})
.catch((err)=>{
alert(err)
})
}
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